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Arturiano [62]
2 years ago
6

What is 80% of 230? ​

Mathematics
2 answers:
Orlov [11]2 years ago
6 0

Answer:

184

Step-by-step explanation:

Stolb23 [73]2 years ago
5 0

0.80 x 230 = 184

You are welcome

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UNO [17]

9514 1404 393

Answer:

  A. 3×3

  B. [0, 1, 5]

  C. (rows, columns) = (# equations, # variables) for matrix A; vector x remains unchanged; vector b has a row for each equation.

Step-by-step explanation:

A. The matrix A has a row for each equation and a column for each variable. The entries in each column of a given row are the coefficients of the corresponding variable in the equation the row represents. If the variable is missing, its coefficient is zero.

This system of equations has 3 equations in 3 variables, so matrix A has dimensions ...

  A dimensions = (rows, columns) = (# equations, # variables) = (3, 3)

Matrix A is 3×3.

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B. The second row of A represents the second equation:

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The coefficients of the variables are 0, 1, 5. These are the entries in row 2 of matrix A.

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C. As stated in part A, the size of matrix A will match the number of equations and variables in the system. If the number of variables remains the same, the number of rows of A (and b) will reflect the number of equations. (The number of columns of A (and rows of x) will reflect the number of variables.)

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2 years ago
Please help with this question
Semenov [28]

Answer:

Line BC

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Opposite means whatever is exactly parallel to angle a.

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Hope this helps.

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